Perhaps Edward is a wealthy man in the fanfiction. He adopts a child from a difficult background. He uses his resources to give the child a good education, a loving home, and along the way, they both learn from each other. The child might teach Edward about innocence and new perspectives, while Edward provides stability and care.
In this fanfiction, it could be that Edward has some sort of special ability or is in a unique situation. He adopts a child who has been overlooked by others. He has to deal with the challenges of the child's past traumas. He devotes himself to helping the child heal and grow, and in the process, they form an unbreakable bond. The story could show how their relationship evolves over time, with the child slowly coming out of their shell and Edward becoming more empathetic and responsible.
Edward could be an ordinary man living in a small town. He has always wanted a family of his own but couldn't find the right partner. So, he decides to adopt a child to start his own family unit.
Well, perhaps the plot could involve Snape finding an orphaned child in the wizarding world. He might initially be hesitant but then grow attached as he sees the child's potential. The story could also include Snape teaching the child magic, protecting the child from dark forces, and the two of them forming a unique bond that changes Snape's cold exterior over time.
In such a fanfiction, perhaps the plot could involve Harry seeing a child in a difficult situation, like an orphan in the wizarding world who has no family due to a dark wizard's attack. Harry, having been an orphan himself, feels a strong connection and decides to adopt the child. He then teaches the child about magic, love, and how to face the challenges in the wizarding world.
Maybe the child is an orphan with no idea they are a demigod. Percy senses something special about them and decides to adopt them. He then has to deal with the challenges of raising a child while also protecting them from the various threats in the Percy Jackson universe. For example, he'd have to train the child to fight and also keep them hidden from the wrong eyes. He could introduce the child to Camp Half - Blood, where they meet other demigods and start to discover their true identity.
Maybe the child turns out to have some special power that the creepypasta was unknowingly drawn to. As the story progresses, the creepypasta realizes that adopting the child has put both of them in danger as there are others who want to use the child's power for their own evil purposes.
It could be an orphaned wizard child from a family that was killed by Death Eaters. This would give Snape an added sense of responsibility as he might feel guilty for being associated with the Death Eaters in the past.
One possible storyline could be that Hermione, having witnessed the hardships of war and the many orphaned children, decides to adopt a child. She might choose a child who shows magical potential but has been overlooked in the post - war chaos. The story could then focus on her struggles and joys of raising the child while also dealing with her own career and the expectations of the wizarding world.
Perhaps the child is the offspring of a Titan. This would make for an interesting story as Percy would have to deal with the potential danger and mistrust from other demigods. But Percy, being Percy, would see the good in the child and adopt them regardless. The child might have unique powers that set them apart from other demigods, like the ability to control time or space.
The storyline could involve Rarity introducing the human child to the world of Equestria. She might teach the child about fashion and elegance, as that's her forte. The child could also learn valuable lessons from Rarity's friends, like loyalty from Rainbow Dash or kindness from Fluttershy.
It could be a young wizard who lost their parents during the final battle against Voldemort. Harry feels responsible for all the orphans created by the war and decides to take this particular child under his wing.